


Severe Thunderstorm Warning
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
080 WUUS55 KRIW 220044 SVRRIW WYC019-220115- /O.NEW.KRIW.SV.W.0103.250822T0044Z-250822T0115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Riverton WY 644 PM MDT Thu Aug 21 2025 The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... Southeastern Johnson County in north central Wyoming... * Until 715 PM MDT. * At 643 PM MDT, a severe thunderstorm was located over Kaycee, moving southeast at 25 mph. HAZARD...Quarter size hail. Reports of half inch hail covering the ground have been reported. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will be near... Kaycee around 650 PM MDT. This includes Interstate 25 between mile markers 235 and 261. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Riverton. && LAT...LON 4349 10639 4349 10650 4369 10681 4384 10667 4367 10622 TIME...MOT...LOC 0043Z 303DEG 24KT 4373 10666 HAIL THREAT...OBSERVED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ TL